User Manual

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productsandconfiguration/interfacesoftware.Allothertrademarksarethepropertyoftheirrespectivecompanies.

13416‐CMAN‐U14‐00x

U14DataLogger

(ModelU14‐001shown)

HOBO

U14 Data Logger User Manual

TheUfamilyofdataloggersoffersreliabilityandconvenientmonitoringforapplicationsthat

requirehigheraccuracy,betterresolution,morememory,orUSBconnectivityforfastdata

readouttoyourcomputer.

TheHOBOU14loggerrecordsanddisplaystemperatureandhumidityconditionsin

manufacturing,processing,andstorageenvironmentswherereliablemonitoring

and

documentationofspecifictemp/RHconditionsarecritical.

TheHOBOU14isavailableintwoversions:U14‐001withinternalsensorsandtheU14‐002

withexternalsensors.TheHOBOU14requiresHOBOware

ProorHOBOwareLite,Version2.5

orlater.

Features

 64knon‐volatilememorythatretainsdataevenifthebatteriesfail

 MemoryindicatoronLCDshowshowmuchdatastoragespaceremains

 BatteryLevelindicatorshowsremainingusefulbatterylife

 OperatesforoneyearonthreealkalineAAAbatteriesintypicalconditions

 Built‐inrelay

forusewithRemoteAlarmorAutomaticDialer

 DirectUSBinterfaceforlaunchinganddatareadoutusingHOBOware

 Sample(logging)intervalcanbesetfromonesecondto18hours

 SupportsOnset’sDataAssistants(availablewithHOBOwaresoftware)

 CanbeusedwiththeOnsetU‐Shuttle

(U‐DT‐1)

 Internalsensormodel(U14‐001)hasinternaltemperatureandrelativehumiditysensorswith12‐bitresolution

 Externalsensormodel(U14‐002)supportsthe12‐bitTemperature/10‐bitRHSensor(S‐THB‐M00x)andthe12‐bit

TemperatureSensor(S‐TMB‐M00x)

Accessories

 OutdoorCase(CASE‐4x)

 RemoteAlarm(ARA)

 AutomaticDialer(AVD‐45)

LocationRequirements

TheHOBOU14isdesignedforanon‐condensing,non‐corrosiveenvironment.Keeptheloggerdry.Someexternalsensorscanbe

placedinharsherenvironmentsthanthelogger.Seetheexternalsensorspecificationsinthesensorusermanual.

Specifications

Environmental

Operatingtemperaturerange‐20°Cto+50°C,(‐4°Fto+122°F),0to100%RHnon‐condensing

Operatingrelativehumidityrange 0to95%,non‐condensing,non‐corrosiveenvironment

LoggerCapabilities

Capacity TempandRH:21,500measurements;TempOnly:43,000measurements

Software‐selectablesamplingintervals 1secondupto18hours,recordingtimesupto1year

Start Programmablestarttime/date

Recordingmodes Stopwhenfull

LaunchModes Immediate,Delayed

Memory NonvolatileEEPROMmemoryretainsdataevenifbatteriesfail

Summary of content (10 pages)

PAGE 1
HOBO® U14 Data Logger User Manual The U family of data loggers offers reliability and convenient monitoring for applications that require higher accuracy, better resolution, more memory, or USB connectivity for fast data readout to your computer. The HOBO U14 logger records and displays temperature and humidity conditions in manufacturing, processing, and storage environments where reliable monitoring and documentation of specific temp/RH conditions are critical.
PAGE 2
HOBO U14 Data Logger User Manual Specifications LCD Size 33 x 50.8 mm (1.
PAGE 3
HOBO U14 Data Logger User Manual Internal Relative Humidity Accuracy  Temperature compensated.  Do not expose the internal RH sensor to fog, mist, or other condensing conditions.  The logger’s relative humidity accuracy for the internal model is shown in the plot at right. Plot B: Internal RH Sensor Accuracy Components Front LCD Screen. See The LCD Screen section for details. USB Port. Use an Onset‐ supplied USB interface cable to connect the HOBO U14 to a computer. Back Mounting Holes.
PAGE 4
HOBO U14 Data Logger User Manual Setting Up the HOBO U14 Follow these instructions for setting up and launching the HOBO U14 logger. 1. Insert the three AAA batteries. Remove the battery door on the back of the unit and insert the batteries in the proper direction. 2. If you are using a Remote Alarm and/or Automatic Dialer, connect it to the HOBO U14 now. Otherwise, replace the battery cover and go to step 3.
PAGE 5
HOBO U14 Data Logger User Manual HOBO U14 with Onset’s ARA Remote Alarm and AVD‐45 Automatic Dialer NOTE: The polarity must be as shown. 3. If you have an External Sensor model (U14‐002): Plug the external sensor into the RJ‐12 jack on the side of the HOBO U14. Hold the black rubber flap down against the connector so it slides into the port. NOTE: The sensor readings will not be displayed until the logger is launched (immediate or delayed) or the status is checked using either HOBOware or the U‐Shuttle.
PAGE 6
HOBO U14 Data Logger User Manual a. Enable Sensor Alarms. To enable a sensor alarm, select the desired sensor in the Channel box, and then select the check box for the High Alarm and/or the Low Alarm. Enter a value to define the alarm threshold. You can enter a value in the box or use the sliders. (If you enter values manually, the software may adjust them slightly to the nearest values supported by the logger.
PAGE 7
HOBO U14 Data Logger User Manual In some applications (such as a refrigerator, freezer, clean room) it may be more convenient to permanently mount an external sensor at the site. Be sure to place the remote sensor in a location that is representative of the target measurement location and allows free flow of air (beware of any drafts caused by vents, doors, etc).
PAGE 8
HOBO U14 Data Logger User Manual  Temperature Reading. This displays the current temperature (Fahrenheit or Celsius as selected in HOBOware) on the LCD. Internal sensor has temperature measurement range of ‐20°C to +50°C (‐4°F to +122°F). Notes: There may be slight variations between the displayed temperature value and the logged value due to limits in display conversions. The values seen in HOBOware and the U‐Shuttle are the actual recorded values and the most accurate.
PAGE 9
HOBO U14 Data Logger User Manual LCD Indicators Memory Display States State MEM LEFT Hash marks Segments Stopped On None Launched/ Logging On Number of segments depends on memory remaining. Highest segment flashes. Launch Delaying Flashing All On/Flashing Memory Full Flashing All Off Illustration (until data is downloaded) External Sensor Removed If an external sensor is disconnected from the logger, the logger will record values of ‐ 888.88°C/‐888.88 °F for temperature and 0% RH.
PAGE 10
HOBO U14 Data Logger User Manual Maintenance Replacing Batteries The HOBO U14 requires three AAA batteries. Onset Computer Corporation strongly recommends the use of fresh alkaline batteries. Batteries should be replaced when the BATT LEVEL bar graph is down to one segment, which indicates 20% battery life or less. To ensure data integrity, use HOBOware to read out the logger and stop logging before changing batteries.